#include <stdio.h>

#define ADD(X,Y) X+Y  

#define SUB(X,Y) X-Y

#define MUL(X,Y) X*Y



int main(int argc, const char *argv[])
{ 

	unsigned int sum;

	sum=MUL(ADD(9,2),SUB(6,3));

	printf("%u\n",sum);

	return 0;
}
